CN106881540A - A kind of nickel-base alloy, wlding - Google Patents
A kind of nickel-base alloy, wlding Download PDFInfo
- Publication number
- CN106881540A CN106881540A CN201510942934.1A CN201510942934A CN106881540A CN 106881540 A CN106881540 A CN 106881540A CN 201510942934 A CN201510942934 A CN 201510942934A CN 106881540 A CN106881540 A CN 106881540A
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- Prior art keywords
- wlding
- nickel
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- base alloy
- alloy
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
- B23K35/304—Ni as the principal constituent with Cr as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of nickel-base alloy, wlding, it is characterised in that chemical composition is by weight percentage：Cr:25-33%, Fe:4-5%, Mn:1-2%, Nb:0.1-0.4%, Mo:0.2-1%, Co:0.1-8%, C≤0.02%, remainder is Ni and inevitable impurity.The deposited metal produced for the effective alloy material of nuclear power structure or this kind of material wlding or by welding processing repairing.
Description
Technical field
It is more particularly to a kind of to be used for the effective alloy material of nuclear power structure the present invention relates to a kind of nickel-base alloy, wlding
Material or this kind of material wlding.
Background technology
Because working media is typically HTHP water environment, therefore nuclear power station structure of container alloy typically will
Possess the corrosive natures such as high temperature corrosion property, stress corrosion performance.The Inco600 of excellent corrosion resistance
(15%Cr-75%Ni-8%Fe) or Inco690 (29%Cr-62%Ni-9%Fe) are most widely used two kinds
Nickel-bass alloy material.In links such as structure member manufacture, repairings, the technologies such as welding, surface deposited metal are used；
Welding method includes argon arc welding, gas shield welding, manual electric arc welding, Laser Welding, electron beam weldering etc..Wherein also relate to
And to substantial amounts of low-alloy steel, the welding processing of different metal materials between stainless steel and nickel-base alloy or repair
Mend.In the prior art, it is related to organize homogenization after improving corrosion resistance, elevated temperature strength, solution heat treatment,
Carbide control etc. after solution treatment.But these materials generally require heterogeneity system in the fabrication process
Wlding comes supporting, to take into account welding crack sensibility, weld metal intensity and corrosion resistance.
The content of the invention
In view of the shortcomings of the prior art, can be manufactured as structure simultaneously it is an object of the invention to provide one kind,
The nickel-bass alloy material of wlding or weld metal.Industrial structure system is carried out using with matrix constituent identical wlding
Make, can effectively solve to weld matching problem, that is, realize composition, intensity and corrosion proof uniformity.
For achieving the above object, present invention employs following technical scheme：
A kind of nickel-base alloy, wlding, it is characterised in that chemical composition is by weight percentage：Cr:25-33%,
Fe:4-5%, Mn:1-2%, Nb:0.1-0.4%, Mo:0.2-1%, Co:0.1-8%, C≤0.02%, it is remaining
It is Ni and inevitable impurity.
Further,
A kind of nickel-base alloy, wlding, it is characterised in that chemical composition is by weight percentage：Cr:25-30%,
Fe:4.1-4.9%, Mn:1.1-1.8%, Nb:0.12-0.36%, Mo:0.2-0.8%, Co:0.5-6%, C≤0.02%,
S≤0.005%, P≤0.01%, remainder is Ni and inevitable impurity.
Further,
A kind of nickel-base alloy, wlding, it is characterised in that chemical composition is by weight percentage：Cr:25-28%,
Fe:4.1-4.9%, Mn:1.1-1.8%, Nb:0.12-0.36%, Mo:0.2-0.8%, Co:1-6%, C≤0.02%,
S≤0.005%, P≤0.01%, W:1-5%, B:0.0005-0.005%, remainder is Ni and inevitable impurity.
Further,
A kind of nickel-base alloy, wlding, it is characterised in that chemical composition is by weight percentage：Cr:25-26%,
Fe:4.1-4.9%, Mn:1.1-1.8%, Nb:0.12-0.36%, Mo:0.2-0.8%, Co:1-6%,
C:0.005-0.02%, S≤0.005%, P≤0.01%, W:1-5%, B:0.0005-0.005%, Ta:0.4-1%,
Remainder is Ni and inevitable impurity.
Composition design is illustrated below：
Cr：Content can ensure the corrosion resistance of alloy or deposited metal more than 25%；After 33%,
Used as alloy material, its hot-working character can deteriorate.Preferred content 25-26%, effect is more preferable.
Fe：It is mainly used in improving welding or deposition efficiency.The molten of wlding is improved using its low melting point feature
Change and deposition efficiency.Content is unfavorable for corrosion resistance control more than 5%；Content is less than 4%, and it improves deposition
Efficiency DeGrain.Preferred content 4.1-4.9%, effect is more preferable.
Mn：By combined with S reduce segregation, so as to improve toughness.Content less than 1%, its effect
It is unobvious；Content can reduce welding technological properties more than 2%.Preferred content 1.1-1.8%, effect is more preferable.
Nb:It is primarily used to form carbonitride and comes reinforced alloys or deposited metal.Simultaneously as can effectively carry
Recrystallization temperature high, therefore to improving hot-working character.When its content is less than 0.1%, precipitating reinforcing effect has
Limit；When its content is more than 0.4%, its precipitate easily grow up by roughening, while being melted in also increasing welding process
The crack sensitivity of metallisation, is unfavorable for welding quality control.Preferred content 0.12-0.36%, effect is more preferable.
Mo：It is mainly used in improving intensity and improves corrosion resistance.Mo is mainly by solution strengthening to improve
Alloy strength；The corrosive power of anti-fluoric acid can be also significantly improved simultaneously.When its content is less than 0.2%, its effect
It is really limited；When its content is more than 1%, due to the intermetallic based on Ni-Cr-Mo ternary systems can be formed
Thing, so as to drop low-alloyed plasticity and toughness.Preferred content 0.2-0.8%, effect is more preferable.
Co：It is mainly used in improving toughness.When content exceedes less than 1%, its DeGrain；When content exceedes
6%, it is easily formed intermetallic compound, so as to destroy plasticity and toughness.Content is 1-6%.
C：Used as carbonitride-forming elements, its content has a significant impact to particle size and quantity.It contains
Amount is unfavorable to precipitation strength more than 0.06%；Content is separated out unobvious less than 0.01%.It is therefore preferable that containing
Amount is 0.005-0.02%.
S：As impurity element, there is considerable influence to welding crack sensibility, control its content≤0.005%,
Can ensure that welding quality.It is also possible to ensure the uniformity of the microstructure and mechanical property of alloy material.
P：As impurity element, its content≤0.01% is controlled to significantly reduce welding crack sensibility.Meanwhile,
Also microstructure and mechanical property uniformity of the alloy after solution heat treatment is improved.
W：Solution strengthening improves intensity.Content is less than 1%, and reinforcing effect is limited；When content is more than 5%,
The generation of brittlement phase can be dramatically increased, processing characteristics can be deteriorated, be unfavorable for that following process is manufactured.It preferably contains
Amount 1-5%.
B：For refining deposited metal solidified structure, improving segregation.When content is less than 0.0005%, its effect
It is limited；When content is more than 0.005%, easily in Grain Boundary Segregation, the control of influence particle strengthening phase, it is unfavorable for simultaneous
Gu Qiangdu and moulding.Its preferred content is 0.0005-0.005%.
Ta：Can solution strengthening metalwork compound N i3 (Al, Ti), and improve its stability.Its content is not enough
0.4%, DeGrain；Its content can deteriorate welding performance, hot-working work performance more than 1%.Its is preferred
Content is 0.4-1%.
Smelted using above-mentioned chemical composition proportioning, hot-working, be made nickel-base alloy of the present invention.
It is raw material using the nickel-base alloy, carries out the operations such as drawing processing throwing, is made Ni-based weldering of the present invention
Material.
Compared with prior art, the technology of the present invention beneficial effect at least that：
A kind of New Nickel-Based Alloy, the high-temperature behavior and corrosion resistance of having taken into account mother metal, the welding performance of wlding,
Efficient deposition techniques performance nickel-bass alloy material.
Specific embodiment
The embodiment of the present invention is elaborated below.
According to chemical composition match, by smelting, hot-working is made alloy, sees embodiment 1-6 and comparative example 7-10,
Composition is shown in Table 1.High-temperature behavior test has been carried out to alloy, 2 have been the results are shown in Table.
According to chemical composition match, by smelting, hot-working, drawing throwing, be finally made welding wire, see implementation
Example 1-6 and comparative example 7-10, composition is shown in Table 1.Gage of wire between 0.8-6.0mm, using gas shield
Welding method is carried out, and soldering test is carried out to embodiment and comparative example welding wire, the results are shown in Table 3.
From the above results, nickel-base alloy of the present invention, wlding or deposited metal, high-temperature behavior is excellent, weldering
Connect processing performance excellent.
Nickel-base alloy of the present invention, wlding or deposited metal are not restricted to the described embodiments, any to meet this hair
Improvement and change in bright right is all within protection domain of the presently claimed invention.
The embodiment of table 1. and comparative example chemical composition (wt.%)
Remarks：Band parantheses is beyond protection domain
The alloy high-temp results of property of table 2.
(O:It is qualified；×:It is unqualified)
The deposited metal test result of table 3.
(O:It is qualified；×:It is unqualified)
Claims (4)
1. a kind of nickel-base alloy, wlding, it is characterised in that chemical composition is by weight percentage：Cr:25-33%, Fe:4-5%, Mn:1-2%, Nb:0.1-0.4%, Mo:0.2-1%, Co:0.1-8%, C≤0.02%, remainder is Ni and inevitable impurity.
2. a kind of nickel-base alloy, wlding, it is characterised in that chemical composition is by weight percentage：Cr:25-30%, Fe:4.1-4.9%, Mn:1.1-1.8%, Nb:0.12-0.36%, Mo:0.2-0.8%, Co:0.5-6%, C≤0.02%, S≤0.005%, P≤0.01%, remainder is Ni and inevitable impurity.
3. a kind of nickel-base alloy, wlding, it is characterised in that chemical composition is by weight percentage：Cr:25-28%, Fe:4.1-4.9%, Mn:1.1-1.8%, Nb:0.12-0.36%, Mo:0.2-0.8%, Co:1-6%, C≤0.02%, S≤0.005%, P≤0.01%, W:1-5%, B:0.0005-0.005%, remainder is Ni and inevitable impurity.
4. a kind of nickel-base alloy, wlding, it is characterised in that chemical composition is by weight percentage：Cr:25-26%, Fe:4.1-4.9%, Mn:1.1-1.8%, Nb:0.12-0.36%, Mo:0.2-0.8%, Co:1-6%, C:0.005-0.02%, S≤0.005%, P≤0.01%, W:1-5%, B:0.0005-0.005%, Ta:0.4-1%, remainder is Ni and inevitable impurity.
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| CN201510942934.1A CN106881540A (en) | 2015-12-16 | 2015-12-16 | A kind of nickel-base alloy, wlding |
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| CN201510942934.1A CN106881540A (en) | 2015-12-16 | 2015-12-16 | A kind of nickel-base alloy, wlding |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951859A (en) * | 2018-08-23 | 2018-12-07 | 北京京城环保股份有限公司 | Using the construction steel structure composite node of CrNiMn high alloy wlding and cast welding construction |
| CN110273085A (en) * | 2019-04-15 | 2019-09-24 | 上海大学 | Reactor spentnuclear fuel storing rich gadolinium nickel-bass alloy material and preparation method thereof |
| CN110373573A (en) * | 2019-08-13 | 2019-10-25 | 上海大学 | Nuclear screening rich gadolinium nickel tungsten alloy material and preparation method thereof |
| JP2020019981A (en) * | 2018-07-31 | 2020-02-06 | 日立Ｇｅニュークリア・エナジー株式会社 | Ni-BASED WELD METAL AND WELD STRUCTURE |
| CN112008293A (en) * | 2019-05-28 | 2020-12-01 | 株式会社东芝 | Nickel-based alloy welding material, welding material for nuclear reactor, nuclear power plant and structure, and method for repairing same |
| CN113579561A (en) * | 2021-06-25 | 2021-11-02 | 西安热工研究院有限公司 | Nickel-based high-temperature alloy welding rod for 700-DEG C ultra-supercritical power station |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2020019981A (en) * | 2018-07-31 | 2020-02-06 | 日立Ｇｅニュークリア・エナジー株式会社 | Ni-BASED WELD METAL AND WELD STRUCTURE |
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| CN108951859A (en) * | 2018-08-23 | 2018-12-07 | 北京京城环保股份有限公司 | Using the construction steel structure composite node of CrNiMn high alloy wlding and cast welding construction |
| CN110273085A (en) * | 2019-04-15 | 2019-09-24 | 上海大学 | Reactor spentnuclear fuel storing rich gadolinium nickel-bass alloy material and preparation method thereof |
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| CN112008293A (en) * | 2019-05-28 | 2020-12-01 | 株式会社东芝 | Nickel-based alloy welding material, welding material for nuclear reactor, nuclear power plant and structure, and method for repairing same |
| CN110373573A (en) * | 2019-08-13 | 2019-10-25 | 上海大学 | Nuclear screening rich gadolinium nickel tungsten alloy material and preparation method thereof |
| CN110373573B (en) * | 2019-08-13 | 2021-06-04 | 上海大学 | Gadolinium-rich nickel-tungsten-based alloy material for nuclear shielding and preparation method thereof |
| CN113579561A (en) * | 2021-06-25 | 2021-11-02 | 西安热工研究院有限公司 | Nickel-based high-temperature alloy welding rod for 700-DEG C ultra-supercritical power station |
| CN113579561B (en) * | 2021-06-25 | 2023-03-14 | 西安热工研究院有限公司 | Nickel-based high-temperature alloy welding rod for 700-DEG C ultra-supercritical power station |
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